@article{1077380105, author = {Gehring, F. W.}, title = {Dilatations of quasiconformal boundary correspondences}, journal = {Duke Math. J.}, volume = {39}, number = {1}, year = {1972}, pages = { 89-95}, language = {en}, url = {http://dml.mathdoc.fr/item/1077380105} }
Gehring, F. W. Dilatations of quasiconformal boundary correspondences. Duke Math. J., Tome 39 (1972) no. 1, pp. 89-95. http://gdmltest.u-ga.fr/item/1077380105/